Our Data Sources
Flat 3, 16, Belsize Avenue has no records in the the Land Registry and a single entry in the EPC database dated August 2019.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For Flat 3, 16, Belsize Avenue, we estimate a market value of £1,020,814 and a rental value of £4,061 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £904,150 and £3,597 per month respectively.
Energy Efficiency
Flat 3, 16, Belsize Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 28 Aug 2019.
The property is connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to Flat 3, 16, Belsize Avenue have sold within a radius of 270 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 27D, Belsize Square, London, NW3 4HU, a leasehold flat which sold for £862,500.
Read more about house prices in NW3.
- Sold Jan 2026£862,500 | 3 Bed Flat27D, Belsize Square, London, NW3 4HU27D, Belsize Square, London, NW3 4HU
- Sold Jun 2025£1,150,000 | 3 Bed FlatFlat 4, 28, Belsize Park Gardens, London, NW3 4LHFlat 4, 28, Belsize Park Gardens, London, NW3 4LH
- Sold Feb 2025£1,135,000 | 2 Bed FlatFlat 3, 5, Belsize Avenue, London, NW3 4BLFlat 3, 5, Belsize Avenue, London, NW3 4BL
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Properties Let Nearby
Over the past 2 years our Estate Agent network has recorded 2 lets within 270 metres of Flat 3, 16, Belsize Avenue.
The latest, in February 2025, was 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat let by Fine Living.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Location Comparison
Of the 446 addresses on Belsize Avenue, London, NW3, Flat 3, 16, Belsize Avenue comes out as the 139th largest and the 100th most expensive in our analysis of the public data.
It is also £352k less expensive than the average property across the NW3 district.
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Schools Nearby
- 400mRosary Catholic Primary School
- 600mHoly Trinity CofE Primary School, NW3
- 600mFitzjohn's Primary School
- 800mThe UCL Academy
- 1.2kmHaverstock School
- 1.3kmHarris Academy St John's Wood
More reading links
Public Transport Nearby
- 400mBelsize Park
- 700mSwiss Cottage
- 700mFinchley Road
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.
